The given figure shows parallelograms ABCD and APQR. Show that these parallelograms are equal in area.
[Join B and R]

Show that the opposite sides of a parallelogram are equal.

In the figure, the area of parallelogram ABCD is

In the given figure ABCD is a parallelogram. Prove that AB = 2BC.

The given figure shows a parallelogram ABCD. Squares ABPQ and ADRS are drawn on sides AB and AD of the parallelogram ABCD. Prove that : (i) angle SAQ = angle ABC (ii) SQ = AC

In the given figure, if the area of parallelogram ABCD is 40 cm^2 , find the area of parallelogram ABEF

In parallelogram ABCD above, AC=3 and AD=5. What is the area of ABCD?

E , F , G , H are respectively, the mid-points of the sides A B ,B C ,C D and D A of parallelogram A B C D . Show that the quadrilateral E F G H is a parallelogram and that its area is half the area of the parallelogram, A B C Ddot GIVEN : A quadrilateral A B C D in which L ,F ,G ,H are respectively the mid-points of the sides A B ,B C ,C D and D Adot TO PROVE : (i) Quadrilateral E F G H is a parallelogram a r(||^(gm)E F G H)=1/2a r(||^(gm)A B C D) CONSTRUCTION : Join A C and H F

In the given figure, ABCD is a parallelogram. Find the area of DeltaAED

The following diagram shows two parallelogram ABCD and BEFG Prove that : Area of ABCD = Area of BEFG.

The given figure shows a parallelogram ABCD. E is a point in AD and CE produced meets BA produced at point F. If AE = 4 cm, AF = 8 cm and AB = 12 cm, find the perimeter of the parallelogram ABCD.